PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 27661977-1 2016 Reduction of hydroxylamine to ammonium by phytoglobin, a plant hexacoordinate hemoglobin, is much faster than that of other hexacoordinate hemoglobins or pentacoordinate hemoglobins such as myoglobin, leghemoglobin, and red blood cell hemoglobin. Ammonium Compounds 30-38 leghemoglobin A Glycine max 201-214